本次参考: https://www.jianshu.com/p/2e93f14e1807

详细: https://blog.csdn.net/wxb880114/article/details/80606434

package com.tansuo365.test1.config;import org.springframework.context.annotation.Bean;import org.springframework.context.annotation.Configuration;import org.springframework.web.cors.CorsConfiguration;import org.springframework.web.cors.UrlBasedCorsConfigurationSource;import org.springframework.web.filter.CorsFilter;@Configurationpublic class CorsConfig {    @Bean    public CorsFilter corsFilter(){        UrlBasedCorsConfigurationSource  source = new UrlBasedCorsConfigurationSource();        source.registerCorsConfiguration("/**",buildConfig());        return new CorsFilter(source);    }    private CorsConfiguration buildConfig(){        CorsConfiguration corsConfiguration = new CorsConfiguration();        corsConfiguration.addAllowedOrigin("*");        corsConfiguration.addAllowedHeader("*");        corsConfiguration.addAllowedMethod("*");        return corsConfiguration;    }}